code: def generate_datetime_feature() -> Series:
      return pd.to_datetime(
          DataHelper.generate_datetime_as_object_feature(),
          errors="coerce",
          format="mixed",
      )
  
imports: import copy
  import numpy
  import pandas
  import pytest
  from pandas import DataFrame, Series
  from autogluon.common.features.feature_metadata import FeatureMetadata
  from autogluon.features.generators import AbstractFeatureGenerator
label_desc: Use image node_id 9 for calling the DataHelper obj's underlying member method code with example usage: obj.generate_datetime_feature() and returns: pd